Here is the full list of all 13 Personal Rocket achievements.
Stay with Boom.
Stay with Kat.
Stay with Mick.
You were curious about the cat.
Build your replacement computer.
Send your important e-mail.
It had it coming.
Send the Internet guy to every place with no squirrels.
You see that shape everywhere.
Give your opinion (that nobody asked) on the gnomes' looks.
Launch the Rocket.
Watch the post-credits scene.
Be a better son and call your Mom.